Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.Test your applications
- Snyk ID SNYK-SLES152-GRUB2S390XEMU-3148205
- published 26 Nov 2022
- disclosed 25 Nov 2022
How to fix?
grub2-s390x-emu to version 2.04-15018.104.22.168 or higher.
Note: Versions mentioned in the description apply only to the upstream
grub2-s390x-emu package and not the
grub2-s390x-emu package as distributed by
How to fix? for
SLES:15.2 relevant fixed versions and status.
A buffer overflow was found in grub_font_construct_glyph(). A malicious crafted pf2 font can lead to an overflow when calculating the max_glyph_size value, allocating a smaller than needed buffer for the glyph, this further leads to a buffer overflow and a heap based out-of-bounds write. An attacker may use this vulnerability to circumvent the secure boot mechanism.